GB294922A - New azo dyestuffs and their application - Google Patents

New azo dyestuffs and their application

Info

Publication number
GB294922A
GB294922A GB11372/27A GB1137227A GB294922A GB 294922 A GB294922 A GB 294922A GB 11372/27 A GB11372/27 A GB 11372/27A GB 1137227 A GB1137227 A GB 1137227A GB 294922 A GB294922 A GB 294922A
Authority
GB
United Kingdom
Prior art keywords
acid
coupling
mol
shades
dyestuff
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB11372/27A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Imperial Chemical Industries Ltd
Original Assignee
British Dyestuffs Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to BE350729D priority Critical patent/BE350729A/xx
Application filed by British Dyestuffs Corp Ltd filed Critical British Dyestuffs Corp Ltd
Priority to GB11372/27A priority patent/GB294922A/en
Priority to DEB136960D priority patent/DE539399C/de
Priority to US271399A priority patent/US1776801A/en
Priority to FR653031D priority patent/FR653031A/fr
Publication of GB294922A publication Critical patent/GB294922A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02—Disazo dyes
    • C09B35/039—Disazo dyes characterised by the tetrazo component
    • C09B35/08—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
GB11372/27A 1927-04-28 1927-04-28 New azo dyestuffs and their application Expired GB294922A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
BE350729D BE350729A (xx) 1927-04-28
GB11372/27A GB294922A (en) 1927-04-28 1927-04-28 New azo dyestuffs and their application
DEB136960D DE539399C (de) 1927-04-28 1928-04-15 Verfahren zum Faerben von regenerierter Cellulose in gleichmaessigen Toenen
US271399A US1776801A (en) 1927-04-28 1928-04-19 New primary disazo dyestuffs
FR653031D FR653031A (fr) 1927-04-28 1928-04-19 Nouveaux colorants azoïques et leur application

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB11372/27A GB294922A (en) 1927-04-28 1927-04-28 New azo dyestuffs and their application

Publications (1)

Publication Number Publication Date
GB294922A true GB294922A (en) 1928-07-30

Family

ID=9985021

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11372/27A Expired GB294922A (en) 1927-04-28 1927-04-28 New azo dyestuffs and their application

Country Status (5)

Country Link
US (1) US1776801A (xx)
BE (1) BE350729A (xx)
DE (1) DE539399C (xx)
FR (1) FR653031A (xx)
GB (1) GB294922A (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH392733A (de) * 1961-12-21 1965-05-31 Sandoz Ag Verfahren zur Herstellung von wasserunlöslichen Disazofarbstoffen

Also Published As

Publication number Publication date
FR653031A (fr) 1929-03-15
DE539399C (de) 1931-11-25
US1776801A (en) 1930-09-30
BE350729A (xx)

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